August weather forecast
Sewanee, TN

Weather in August

The last month of the summer, August, is another warm month in Sewanee, Tennessee, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 84.7°F (29.3°C).

Temperature

In Sewanee, the average high-temperature in August is practically the same as in July - a still moderately hot 84.7°F (29.3°C). In Sewanee, Tennessee, the average low-temperature is 65.1°F (18.4°C).

Heat index

The average heat index in August is evaluated at a sweltering 95.2°F (35.1°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, pregnancy, clothing, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Sewanee, the average relative humidity in August is 78%.

Rainfall

In August, the rain falls for 20.5 days. Throughout August, 4.65" (118mm) of precipitation is accumulated. In Sewanee, during the entire year, the rain falls for 191.9 days and collects up to 48.15" (1223mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August in Sewanee, Tennessee, is 13h and 26min.
On the first day of August in Sewanee, sunrise is at 5:52 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:12 pm CDT.

Sunshine

The average sunshine in August in Sewanee is 10h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Sewanee?

In August, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 65.1°F (18.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95.2°F (35.1°C).

What is the average humidity in August in Sewanee?

In Sewanee, the average relative humidity in August is 78%.

How much does it rain in Sewanee in August?

In Sewanee, Tennessee, in August, during 20.5 rainfall days, 4.65" (118mm) of precipitation is typically accumulated.

When it does not snow in Sewanee?

May through September are months without snowfall in Sewanee, Tennessee.

How many hours of daylight does Sewanee have in August?

In Sewanee, the average day length in August is 13h and 26min.

When is the sunrise / sunset in August in Sewanee?

In August, on the first day of the month, sunrise is at 5:52 am and sunset at 7:47 pm. On the last day of the month, in Sewanee, Tennessee, sunrise is at 6:15 am and sunset at 7:12 pm CDT.

How many hours of sunshine does Sewanee have in August?

In Sewanee, Tennessee, the average sunshine duration in August is 10h.

When is the highest UV index in Sewanee?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in August in Sewanee?

In Sewanee, Tennessee, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Sewanee, TN

Average temperature in August - Sewanee, TN
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in August: 65.1°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in August
Sewanee, TN

Average pressure in August - Sewanee, TN
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in August
Sewanee, TN

Average wind speed in August - Sewanee, TN
  • Average wind speed in August: 4mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

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Average humidity in August
Sewanee, TN

Average humidity in August - Sewanee, TN
  • Average humidity in August: 78%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in August
Sewanee, TN

Average rainfall in August - Sewanee, TN
  • Average rainfall in August: 4.65"

The wettest month (with the highest rainfall) is July (5.51").
The driest month (with the least rainfall) is November (2.8").

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Average rainfall days in August
Sewanee, TN

Average rainfall days in August - Sewanee, TN
  • Average rainfall days in August: 20.5 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (10.4 days).

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Average snowfall in August
Sewanee, TN

Average snowfall in August - Sewanee, TN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Sewanee, TN

Average snowfall days in August - Sewanee, TN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Sewanee, TN

Average daylight in August / Average sunshine in August - Sewanee, TN
  • Average daylight in August: 13h and 26min

The month with the longest days is June (Average daylight: 14h and 29min).
The month with the shortest days is December (Average daylight: 9h and 50min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in August
Sewanee, TN

Average sunshine days in August - Sewanee, TN
  • Average sunshine days in August: 8.3 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (6.3 days).

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Average UV index in August
Sewanee, TN

Average UV index in August - Sewanee, TN
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in August
Sewanee, TN

Average cloud cover in August - Sewanee, TN
  • Average cloud cover in August: 34

The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 33).

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Average visibility in August
Sewanee, TN

Average visibility in August - Sewanee, TN
  • Average visibility in August: 5mi

The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).

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